KR100540727B1 - Device and method for sublimation printing - Google Patents

Abstract

The present invention relates to a sublimation transfer printing method and apparatus, and more particularly, by wrapping a predetermined sublimation transfer paper cut in a predetermined width on the surface of various articles to be fused to both ends, to make a film of the tube form with both ends open Then, the object to be printed is placed inside the film in the form of a tube with both ends open, and then the openings at both ends of the film are attached to the vacuum inhaler, respectively, and sealed, and the film is sucked into the vacuum to shrink the film. In close contact with each other, wrinkles are removed, and in such a state, it is put in a thermal kiln maintained at 100 ° C to 350 ° C, more preferably 120 ° C to 250 ° C, and the ink is of various designs formed on the film of the sublimation transfer paper when it is kept for a predetermined time. Is transferred to the object to be printed, and after supplying air to the inside of the tube-type film which is contracted after the transition, By providing a sublimation transfer device and method for easily separating and detaching a film from the film, the sublimation transfer technique can be applied to various products while improving product quality and improving workability and productivity. .

Sublimation transfer, printing method, printing equipment, printed object, tube, kiln.

Description

Sublimation transcription printing method and apparatus therefor {DEVICE AND METHOD FOR SUBLIMATION PRINTING}

1 is a manufacturing process diagram of the sublimation transfer printing method according to the present invention,

Figure 2 is a preferred embodiment of the sublimation transfer printing apparatus according to the present invention, a perspective view showing an open and closed door,

Figure 3 is an excerpt of the main portion showing a plurality of vacuum suction ports for vacuum suction and desorption according to the invention,

Figure 4 is an excerpt of the main part showing a transfer unit for entering and withdrawing the transfer table in a thermal kiln according to the present invention,

5 is a plan view showing an operating state as another embodiment of a sublimation transfer printing apparatus according to the present invention;

FIG. 6 is a perspective view illustrating an example of a fusion machine that forms a part of the present invention and welds one side of the cut transfer film to a tube shape.

FIG. 7 is a partially enlarged side view illustrating an example of a fusion machine that forms a part of the present invention and welds one side of the cut transfer film to a tube shape.

※ Explanation of code about main part of drawing ※

1: thermal kiln 2: pneumatic cylinder

3: opening and closing door 4: guide rod

5: vacuum suction hole 6: transfer table

7: stationary motor 8: transfer guide means

9: ultrasonic welding machine 31: opening and closing port

32: door hinge 41: guide rail

51: through hole 52: binding bar

53: binding groove 54: binding pin

55: operation handle 56: air tight ring

57: fitting 58: air tube

61: roller 62: support guide

71: pinion gear 91: wit

92: moving means 93: fixed bar

94: sublimation transcription 95: ultrasonic generator

96: fusion

The present invention relates to a sublimation transfer printing method and a device thereof, and more particularly, to various materials such as construction materials such as metal, aluminum, wood, glass, paper, plastic, extruded products, household goods, automobile parts, home appliances, etc. Wrap a predetermined sublimation transcript cut to a certain width on the surface of the "printable item") to be fused to both ends to make a film in the form of a tube with both ends open, and print inside the tube-shaped film with both ends open. After placing the object, the openings at both ends of the film are attached to the vacuum inhaler, respectively, sealed, and suctioned under vacuum to shrink the film to close the film to the surface of the object to be printed to remove wrinkles. It is formed in the film of the sublimation transfer paper when it is put in a thermo kiln maintained at 350 ° C., more preferably 120 ° C. to 250 ° C., and stays for a predetermined time. Inks of various designs are transferred to the product to be printed, and the air is supplied into the contracted tube-like film after transfer so that the film can be easily separated and detached from the surface of the product to be printed, thereby improving product quality and working. The present invention relates to a sublimation transfer printing method and apparatus for improving the productivity and productivity while allowing the sublimation transfer technique to be applied to various products.

Sublimation transfer is a digital printing method that combines printing technology and dyeing technology. It means that the transfer paper printed with the transfer ink without engraving process is bonded to the transfer object and thermally compressed at a specific temperature and pressure. Sublimation in is called sublimation when it heats to a solid to melt and becomes a liquid, and further heats to vaporize when it crosses a freezing point.

When the thermal press is pressed, the ink on the printed transfer paper is vaporized without undergoing a liquid process at a high temperature, and at the same time, when the vaporized dye enters the tissue on the surface of the transfer surface and the temperature drops again, the dye in the gaseous state is transferred to the surface of the transfer object. It remains as a third polymer material in the infiltrated state and is integrated in a state in which no protruding portion or layer is held.

Using such a sublimation transfer paper, it is conventionally transferred through a direct pressure type.

Briefly referring to the direct pressure type, the transfer paper mount and the roller made of silicon or rubber are simultaneously lowered and pressed while the transfer paper roll having a predetermined pattern shape is mounted at the working position, and the transfer paper adheres to the surface of the object to be printed. Let's do it.

In this state, the mount is moved in a predetermined direction while applying a predetermined pressure to move the mount and the transfer paper together.

At this time, the roller heated to an appropriate temperature is moved in a predetermined direction in a state in which the transfer paper and the printing target article are pressed in close contact with each other so that the design on the transfer paper is transferred to the printing target article and printed.

Since the conventional direct pressure method relies on the press transfer method of the heated roller while the transfer paper roll supplied to the surface of the object to be printed and closely adhered thereto, metal, aluminum, wood, glass, etc. cannot be transferred. There is a limit to the type of printing object, there is a disadvantage that can not be printed even if the cross-sectional structure of the printing object is complicated or severe.

In addition, since the conventional direct pressure method adopts a method of transferring the object to be printed on the table and the transfer paper in a predetermined direction under the pressure of the roller heated on the upper portion thereof, it is limited to printing on one side in one operation. For example, when printing is required on a slope, the hassle of only performing the four-step process sequentially and the design transferred to the surface of the product after printing are different from each other. There is a problem that cannot be stabilized.

The present invention was created in order to solve the problems caused by the conventional transfer technique as described above, an object of the present invention by wrapping a predetermined sublimation transcript cut to a certain width on the surface of the object to be printed and fused to both ends. This open tube-shaped film is made, and the object to be printed is placed inside the tube-shaped film with open ends, and the openings at both ends of the film are respectively mounted in a vacuum inhaler and sealed by suction, and the film is contracted by vacuum. The film is brought into close contact with the surface of the object to be printed to remove wrinkles. In such a state, the film is put in a thermal kiln maintained at 100 ° C to 350 ° C, more preferably 120 ° C to 250 ° C, and remains there for a predetermined time. The ink of various designs formed on the film is transferred to the object to be printed, and the tube-like film is contracted after the transfer. Portion to supply air to provide a sublimation transfer printing method and an apparatus able to be readily separated, leaving the film from the surface of the printing object article.

Another object of the present invention is to provide a sublimation transfer method and apparatus thereof, without being limited to articles made of various materials such as metal, aluminum, wood, glass, etc., the cross-sectional structure of the object to be printed is complicated or detonated, Another object of the present invention is to provide a sublimation transfer printing method and apparatus capable of performing a high quality transfer treatment on a surface thereof without being limited to irregular cross-sectional structures.

Another object of the present invention is a sublimation that improves workability and productivity by allowing the transfer process to be completed in one operation, since the transfer method is performed by applying heat to the entire outer surface of the object to be printed. A transfer printing method and apparatus are provided.

The present invention for achieving the above object proposes the following sublimation transcription printing method.

Determining and cutting the width of the sublimation transfer paper according to the cross-sectional area of the object to be printed (step: S100);

Wrapping and wrapping the outer surface of the object to be printed with the sublimated transcript, and forming a sublimated transcript in the form of a tube by ultrasonic thermal welding of the overlapped portion in the longitudinal direction (step: S200);

Attaching both ends of the sublimation transcript having a tube shape to the vacuum suction port to seal the step (S300);

A step in which the printed surface of the sublimation transcript is in close contact with the surface of the object to be printed by sucking and shrinking air inside the sealed tube-type sublimation transcript (step: S400);

The object to be printed with the sublimation transfer paper adhered to the surface is put into a thermal kiln maintained at a high temperature of 120 ° C to 250 ° C, and heat-treated for 2 to 3 minutes to transfer the ink applied on the inner surface of the sublimation transfer paper to the surface of the object to be printed. Process (step: S500);

A step of separating the film adhered to the outer surface of the object to be printed from the object to be printed by supplying air into the tube-shaped film through the vacuum suction port as opposed to the previous step (S400);

Separating both ends of the mounted film from the vacuum inhaler and withdrawing the sublimated transfer article therein (step S700);

Subsequently, a sublimation transfer printing method in which the extracted article is naturally dried or air-cooled and then packaged and completed is completed (step: S800).

In the above process, the step of putting into the kiln includes a step of forming the opening and closing openings for the input of the kiln in the front and rear sides, and the addition and withdrawal of the object to be inserted and withdrawn from both sides in front and rear alternately, It can double the productivity.

In addition, if necessary, a circulation system is formed to continuously inject at one side of the thermal kiln and perform heat treatment while moving at a constant speed to stay for a predetermined time in a thermal kiln maintaining a constant temperature. To metastasize;

Supplying air from the other side to separate the film adhered to the surface of the object to be printed;

After the dismounting, the printing operation is continuously performed, including the step of taking out the transferred article into the tube-shaped film.

A sublimation transfer printing apparatus, which is a preferred embodiment in which the sublimation transfer printing method of the present invention is embodied as described above, will be described with reference to the accompanying drawings.

1 is a manufacturing process diagram of the sublimation transfer printing method according to the present invention, Figures 2 to 4 is a view showing a preferred embodiment according to the present invention, Figure 5 is a view showing another embodiment according to the present invention 6 and 7 are views illustrating an example of a fusion machine that forms a part of the present invention and welds one side of the cut transfer film to a tube shape.

Sublimation transfer printing apparatus of the present invention is shown in the accompanying drawings, Figures 2 to 4,

Opening and closing holes 31 are formed in the middle of the front and rear of the main body of the thermal kiln (1), the heater box (not shown) spaced apart by a predetermined distance in the upper and lower parts of the inner side,

Hydraulic cylinders 2 are mounted on the left and right side ends of the thermal kiln 1 so as to correspond to the left and right sides of the opening and closing doors 3, respectively, in a diagonal direction by a plurality of opening and closing doors 32 installed above the opening and closing doors. Opening and closing in parallel or perpendicular to the body of the kiln (1) while moving up and down,

On both sides and the middle side of the opening and closing door (3), the guide rods (4) having the guide rails (41) attached to the upper surface, respectively, from the inside of the thermal kiln (1) in a state that protrudes to the front and rear sides, respectively The transfer table 6 and the transfer table which are positioned on the guide rail 41 by the roller 61 and alternately put in and take out the goods along the guide rail 41 which is rolled out to the inside of the thermal kiln. A plurality of support guides 62 integrally formed with the support 6 are provided in the longitudinal direction, and the support guides 62 in the central portion of the support pipe 62 allow the length adjustment according to the length of the article to be printed. The vacuum suction openings 5 which are installed at both ends are provided.

The stationary motor 7 coupled with the pinion gear 71 is installed on the front and rear intermediate sides of the main body of the thermal kiln 1, and a plurality of vacuum suction ports 5 are paired on both sides of the guide rod 4, respectively. The integrated transfer table 6 coupled to face each other is mounted with a plurality of guide rollers 61 coupled to the bottom thereof, and then into the inside of the thermal kiln 1 according to a control operation of a control system (not shown). Alternately along the extended guide rail 41 is installed and installed to be available for shipment,

Intermediate portions of the front and rear transfer tables 6 are provided with transfer guide means 8 such as rack gears meshing with the pinion gear 71 of the stationary motor 7.

At this time, the supporting table 62 is installed at the middle of the transfer table 6 to fix and support the air pipe 58 installed at the left and right ends of the vacuum inlet 5.

The vacuum inlet 5 has a through-hole 51 formed along the longitudinal direction toward the center thereof, and a binding bar 52 having a predetermined length connected to the vacuum suction device and the air supply device (not shown) is bound to the outer surface thereof. Installed with a groove 53,

The binding bar 52 is fitted to the operating handle 55 is formed with the binding pin 54 protruding in the rear inward so that the binding pin 54 is coupled to the binding groove 53 so as to be mutually bindable. ,

At the front end of the binding bar 52 is formed a ball-shaped fitting portion 57 in which the airtight ring 56 is fitted on one side.

Referring to the operation of the device of the present invention having the above structure is as follows.

The temperature inside the thermal kiln 1 of the apparatus of the present invention is designed to maintain about 100 ° C to 350 ° C, more preferably 120 ° C to 250 ° C or more.

Thus, the temperature inside the kiln 1 can be maintained at an appropriate temperature depending on the object, which is controlled by the operation of a control system (not shown).

In this state, when the type of the object to be printed is determined, the internal temperature of the thermal kiln 1 is adjusted or adjusted, and the width of the sublimation transfer paper 94 is cut and cut so as to sufficiently cover the outer surface of the object to be printed. Wrap on the outside of the article.

It is natural that the cut sublimation transfer paper 94 has its transfer surface positioned on the inner side so that it can touch the surface of the print object.

When the sublimation transfer paper 94 cut on the outer surface of the printing object is wrapped in the above-described process, it is placed on the mounting table 91 of the fusion machine 9 shown in FIGS. 6 and 7. At the same time, the fixing bar 93 is rotatably installed in the middle of the fusion machine 9 to be fixed.

When the fusion machine 9 is operated in this state, the sublimation transcript 94 fixed by the fixing bar 93 moves while the fusion unit 96 coupled to the moving unit 92 maintains a constant speed from one side to the other side. It is ultrasonically fused at the fusion unit 96 by the ultrasonic generator 95 is processed into a tube having a predetermined diameter.

The sublimation transcript 94 processed in the form of a tube is attached to the two ends of the vacuum suction port 5 fixed to both sides of the transfer table 6 of the present invention, respectively.

At this time, since the vacuum inlet 5 has a ball-shaped fitting portion 57 formed at the tip thereof, both ends of the sublimation transfer paper processed in the form of a tube are first inserted into the outer surface of the ball-shaped fitting portion 57, and an operating handle is provided. Advance 55 and apply some force to one side to rotate it,

The operation knob 55 is a sublimation transfer paper 94 in the form of a tube on the inner surface while moving forward with the binding pin 54 protruding therein linearly along the binding groove 53 formed on the outer surface of the binding bar 52. Is inserted, and keeps this state and pushes it to the end and rotates it to one side, and the inner end of the operation handle 55 abuts on the airtight ring 56 of the fitting portion 57 in a state where the sublimation transfer paper 94 is fitted. Is fixed.

Of course, the other side is also fixed in the same manner as the above method and a plurality of it is fixed repeatedly.

Here, in the middle of the transfer table (6), a support support (62) for fixing and supporting the air pipe (58) provided at the left and right ends of the vacuum suction opening (5) is installed, and the air pipe (58) is The length can be added or subtracted to fit the length of the printed object

When the sublimation transcript 94 is mounted by the above process, the vacuum suction device 5 is operated by the control operation of a control system (not shown), so that the air in the tube-type sublimation transcript 94 is an intake hole 51. The sublimation transfer paper 94 is brought into close contact with the surface of the print object by being sucked and shrunk at a time.

When a plurality of tube-type sublimation transfer papers 94 are fixed to the vacuum inlet 5 by the above-described process, the operation of the control system enables the opening and closing doors 3 located at the center of the upper and lower sides of the thermal kiln 1 to the hydraulic cylinder ( 2) a transfer guide means such as a rack gear coupled to the transfer table 6 by the forward and reverse motor 7 coupled to the middle part of the thermal kiln 1 and then being rotated forward by the diagonal direction. 8, the transfer table 6 enters the inside of the thermal kiln 1 along the guide rail 41 of the guide rod 4.

When the transfer table 6 enters, the hydraulic door 2 rises in a diagonal direction to open and close the opening / closing door 3 to seal the kiln 1 at a predetermined temperature inside the kiln 1. Therefore, when left for a predetermined time, the heater device (not shown) disposed above and below the inner side of the thermal kiln 1 distributes the temperature evenly therein, so that the surface of the sublimation transfer paper 94 is printed on the surface of the printed object. The pattern is transferred and transferred.

When the sublimation transfer operation is performed inside the thermal kiln 1 by the above-described process, another operator inserts the tubular sublimation transfer paper 94 into the vacuum suction port 5 at the same time on the transfer table 6 on the other side. This is the same as the method of fixing the sublimation transfer paper to the vacuum suction port 5 coupled to the front transfer table 6 described above.

After a predetermined time has elapsed between the sublimation transfer paper 94 and the printing object introduced into the thermal kiln 1, when the printing ink on the surface of the sublimation transfer paper is transferred to the surface of the printing object and transferred, the control system (not shown) The opening and closing operation of the opening and closing door 3 due to the control operation is made, and then the reverse operation is reversed as when the stationary motor 7 is put in, and the transfer table 6 inside the thermal kiln 1 is drawn out to the front side thereof.

After the transfer table 6 is drawn out, the open / close door 3 is lowered and closed again, and the open / close door 3 on the opposite side is opened, and the transfer table on the opposite side that is waiting for input through the open opening / closure 31 is opened. After (6) is introduced into it, the opening / closing door 3 is closed and sublimation transcription is performed.

At the same time, in the transfer table 6 drawn out on the front side, the vacuum suction port 5 is converted into an air supply nozzle to rapidly supply air, thereby detaching the film that is in close contact with the surface of the print object, and the transfer table 6 Advance to the vacuum suction port 5 on both sides and remove the operation knob 55 rotated and released as opposed to when binding, and the removed vacuum suction port 5 is wrapped with a new print object for the next operation. A tubular sublimation transcript is installed to keep the standby for the next work.

The removed object is shipped from the outer tubular film is removed and packaged through one end.

By using the transfer table 6 located in front and rear of the thermal kiln 1 of the present invention, the operation of mounting and discharging the tubular transfer paper into and out of the thermal kiln 1 is repeated. By doing so, the workability and productivity are doubled.

In addition, by the front mounting of the tube-type sublimation transfer paper according to the present invention, the quality of the product is stabilized by transition and transfer treatment at a time by one transfer operation on the front surface of the printing object at a time.

As described above, according to the present invention, by supplying air into the tube-like film, the film is easily separated and detached from the surface of the object to be printed, and is not limited to articles made of various materials such as metal, aluminum, wood, and glass. It is possible to perform a high quality transfer treatment on the surface of the product, and also to provide a high quality transfer product that maintains a constant quality without being limited to complicated cross section structure, severe detonation or irregular cross section structure of the object to be printed. In addition, it is obvious that it is a very beneficial invention that can simultaneously transfer and complete the entire outer surface of the article in one operation, which can achieve various useful effects simultaneously such as greatly improving workability and productivity and stabilizing the quality. Do.

Finally, in order to explain the preferred embodiment of the device, the present invention has shown and described a transfer means such as a cylinder for opening and closing of the door, and the transfer operation means of the transfer table is also coupled to the pinion gear and the transfer table coupled to the motor. The size word is illustrated and described, and the main input and withdrawal of the transfer table installed in the front and rear of the kiln maintaining a constant temperature is illustrated and described.

However, the device of the present invention should not be understood as being limited thereto.

This means that the transfer means installed on the upper side of the kiln can be installed on both sides in parallel, or it can be changed by chain or gear meshing.In addition, the loading and withdrawal of the transfer table is shown and explained as the meshing of the rack gear and the pinion gear. Alternatively, it is because a person skilled in the art can easily implement a gear and a belt drive, and a mass production system can be constructed that is supplied from one side of the kiln along the track and drawn out and completed on the other side.

Therefore, by wrapping the sublimation transfer paper on the outer surface of the printing object having various materials and shapes to be the main part of the present invention, one side is processed in the form of a tube by the adhesion or heat fusion method by ultrasonic, high frequency, or general bonding method, and both ends at the vacuum suction port. The sublimation transfer method and the general matters accompanying the sublimation transfer method is completed by a method of fixing and then transferring to the kiln, transfer, and then withdraw air supply to remove the film adhered to the surface of the printing object. It should be noted that it cannot escape from the scope of the claims.

Claims (4)

Determining and cutting the width of the sublimation transfer paper according to the cross-sectional area of the object to be printed (step: S100); Wrapping and wrapping the outer surface of the object to be printed with the sublimated transcript, and forming a sublimated transcript in the form of a tube by ultrasonic thermal welding of the overlapped portion in the longitudinal direction (step: S200); Attaching both ends of the sublimation transcript having a tube shape to the vacuum suction port to seal the step (S300); A step in which the printed surface of the sublimation transcript is in close contact with the surface of the object to be printed by sucking and shrinking air inside the sealed tube-type sublimation transcript (step: S400); The object to be printed with the sublimation transfer paper adhered to the surface is put into a thermal kiln maintained at a high temperature of 120 ° C to 250 ° C, and heat-treated for 2 to 3 minutes to transfer the ink applied on the inner surface of the sublimation transfer paper to the surface of the object to be printed. Process (step: S500); A step of separating the film adhered to the outer surface of the object to be printed from the object to be printed by supplying air into the tube-shaped film through the vacuum suction port as opposed to the previous step (S400); Separating both ends of the mounted film from the vacuum inhaler and withdrawing the sublimated transfer article therein (step S700); Sublimation transfer printing method characterized in that it is sequentially made through the step (step: S800) to complete the packaging after drying or air-cooled withdrawn the article. The method according to claim 1, Sublimation transfer printing method characterized in that the opening and closing openings to be introduced into the thermal kiln in the thermal kiln input process, respectively formed on the front and rear sides so as to alternately insert and withdraw the object to be inserted and withdrawn from both sides. . Comprising a printing apparatus for performing the sublimation transfer printing method of claim 1, A heating kiln is fixedly installed on the inner side of the upper and lower parts of the apparatus main body while maintaining a predetermined separation distance, and having a front and rear opening and closing door; An opening and closing door having a hydraulic cylinder mounted upwardly and downwardly on the left and right sides of the door to open and close in a diagonal direction; Guide rods attached to both sides of the opening and closing door and an intermediate side thereof, the guide rods being extended from the inside of the thermal kiln in a state of protruding from the front and rear sides, respectively; A transfer table positioned on the guide rail by rollers to alternately load and unload the roll along a guide rail extended to the inside of the thermal kiln; A plurality of support holders integrally formed with the transfer table in the longitudinal direction, and a support holder for the central portion includes vacuum suction ports installed at both ends of the air pipe to enable length adjustment according to the length of the printed object; A forward and reverse motor which is integrally installed before and after the main body of the thermal kiln, and has a pinion gear coupled thereto; Sublimation transfer printing apparatus, characterized in that the transfer guide means such as the rack gear meshing with the pinion gear of the stationary motor is installed in the middle of the front and rear transfer table. The method according to claim 3, The vacuum suction port has a through hole formed along the longitudinal direction in the center thereof, and the binding bar having a predetermined length connected to the vacuum suction device and the air supply device is provided with a binding groove on the outer surface thereof. The binding bar is fitted into the operation handle is formed with the binding pin protruding into the rear inward so that the binding pin is coupled to each other in the state fitted to the binding groove, Sublimation transfer printing apparatus characterized in that the front end of the binding bar is made of a ball-shaped fitting portion is integrally fitted to one side.

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